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16377984131 = 73224355947
BaseRepresentation
bin11110100000011010…
…00011010010000011
31120021102001210112212
433100031003102003
5232020230443011
611305101012335
71116601365605
oct172015032203
946242053485
1016377984131
116a44a43983
123210b540ab
131710189992
14b15245175
1565ccab08b
hex3d0343483

16377984131 has 4 divisors (see below), whose sum is σ = 16602340152. Its totient is φ = 16153628112.

The previous prime is 16377984113. The next prime is 16377984151. The reversal of 16377984131 is 13148977361.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16377984131 - 214 = 16377967747 is a prime.

It is a super-2 number, since 2×163779841312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16377984131.

It is not an unprimeable number, because it can be changed into a prime (16377984151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112177901 + ... + 112178046.

It is an arithmetic number, because the mean of its divisors is an integer number (4150585038).

Almost surely, 216377984131 is an apocalyptic number.

16377984131 is a deficient number, since it is larger than the sum of its proper divisors (224356021).

16377984131 is an equidigital number, since it uses as much as digits as its factorization.

16377984131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224356020.

The product of its digits is 762048, while the sum is 50.

The spelling of 16377984131 in words is "sixteen billion, three hundred seventy-seven million, nine hundred eighty-four thousand, one hundred thirty-one".

Divisors: 1 73 224355947 16377984131